The left helped birth Mohammed Emwazi. Self hate. Hate in general. Tribal hatred. Ancestral hatred. Revenge. From black Harlem culture in America to West London, and then to beheadings in Syria. Leftist hate is nearly as destructive as rightiest hate. Ultra-right neonazies certainly do deserved to be quelled. But ultra-left nazis do also (ie: locked up and/or deported).